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A251649 as a simple table

na(n)
12382
210248
331022
498306
5482506
61563586
75248890
825151338
986588602
10309874186
111436889898
125253854634
1319877542282
1489455192554
15344043647178
161357743586282
175972706277354
1823836807829578
1996793244877322

[2382,10248,31022,98306,482506,1563586,5248890,
 25151338,86588602,309874186,1436889898,5253854634,
 19877542282,89455192554,344043647178,
 1357743586282,5972706277354,23836807829578,
 96793244877322]